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/*
* Copyright 2003-2018 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "TidalInputPlugin.hxx"
#include "TidalSessionManager.hxx"
#include "TidalTrackRequest.hxx"
#include "CurlInputPlugin.hxx"
#include "PluginUnavailable.hxx"
#include "input/ProxyInputStream.hxx"
#include "input/FailingInputStream.hxx"
#include "input/InputPlugin.hxx"
#include "config/Block.hxx"
#include "thread/Mutex.hxx"
#include "util/StringCompare.hxx"
#include <stdexcept>
#include <memory>
static TidalSessionManager *tidal_session;
class TidalInputStream final
: public ProxyInputStream, TidalSessionHandler, TidalTrackHandler {
const std::string track_id;
std::unique_ptr<TidalTrackRequest> track_request;
std::exception_ptr error;
public:
TidalInputStream(const char *_uri, const char *_track_id,
Mutex &_mutex, Cond &_cond) noexcept
:ProxyInputStream(_uri, _mutex, _cond),
track_id(_track_id)
{
tidal_session->AddLoginHandler(*this);
}
~TidalInputStream() {
tidal_session->RemoveLoginHandler(*this);
}
/* virtual methods from InputStream */
void Check() override {
if (error)
std::rethrow_exception(error);
}
private:
void Failed(std::exception_ptr e) {
SetInput(std::make_unique<FailingInputStream>(GetURI(), e,
mutex, cond));
}
/* virtual methods from TidalSessionHandler */
void OnTidalSession() noexcept override;
/* virtual methods from TidalTrackHandler */
void OnTidalTrackSuccess(std::string &&url) noexcept override;
void OnTidalTrackError(std::exception_ptr error) noexcept override;
};
void
TidalInputStream::OnTidalSession() noexcept
{
const std::lock_guard<Mutex> protect(mutex);
try {
TidalTrackHandler &handler = *this;
track_request = std::make_unique<TidalTrackRequest>(tidal_session->GetCurl(),
tidal_session->GetBaseUrl(),
tidal_session->GetToken(),
tidal_session->GetSession().c_str(),
track_id.c_str(),
handler);
} catch (...) {
Failed(std::current_exception());
}
}
void
TidalInputStream::OnTidalTrackSuccess(std::string &&url) noexcept
{
const std::lock_guard<Mutex> protect(mutex);
try {
SetInput(OpenCurlInputStream(url.c_str(), {},
mutex, cond));
} catch (...) {
Failed(std::current_exception());
}
}
void
TidalInputStream::OnTidalTrackError(std::exception_ptr e) noexcept
{
const std::lock_guard<Mutex> protect(mutex);
Failed(e);
}
static void
InitTidalInput(EventLoop &event_loop, const ConfigBlock &block)
{
const char *base_url = block.GetBlockValue("base_url",
"https://api.tidal.com/v1");
const char *token = block.GetBlockValue("token");
if (token == nullptr)
throw PluginUnavailable("No Tidal application token configured");
const char *username = block.GetBlockValue("username");
if (username == nullptr)
throw PluginUnavailable("No Tidal username configured");
const char *password = block.GetBlockValue("password");
if (password == nullptr)
throw PluginUnavailable("No Tidal password configured");
// TODO: "audioquality" setting
tidal_session = new TidalSessionManager(event_loop, base_url, token,
username, password);
}
static void
FinishTidalInput()
{
delete tidal_session;
}
static InputStreamPtr
OpenTidalInput(const char *uri, Mutex &mutex, Cond &cond)
{
assert(tidal_session != nullptr);
const char *track_id;
track_id = StringAfterPrefix(uri, "tidal://track/");
if (track_id == nullptr)
track_id = StringAfterPrefix(uri, "https://listen.tidal.com/track/");
if (track_id == nullptr || *track_id == 0)
return nullptr;
// TODO: validate track_id
return std::make_unique<TidalInputStream>(uri, track_id, mutex, cond);
}
const InputPlugin tidal_input_plugin = {
"tidal",
InitTidalInput,
FinishTidalInput,
OpenTidalInput,
};
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